/**
 * 选择框样式服务类
 */
export class SelectStylesService {
  private static instance: SelectStylesService

  static getInstance(): SelectStylesService {
    if (!SelectStylesService.instance) {
      SelectStylesService.instance = new SelectStylesService()
    }

    return SelectStylesService.instance
  }

  get default(): string {
    return `
    padding: 6px 0.5em !important;
    font-size: 14px !important;
    margin: 4px 0 !important;
    border-radius: 4px;
    
    &:focus {
      outline: none !important;
    }
  `
  }
}
